Robust 3D mesh zero-watermarking based on spherical coordinate and skewness measurement

JS Lee, C Liu, YC Chen, WC Hung, B Li - Multimedia Tools and …, 2021 - Springer
… -new zero-watermarking technique based on the transformation of spherical coordinate and
… Without distorting the quality of 3D object, the main challenge in zero-watermarking is the …

Rich-information reversible watermarking scheme of vector maps

Y Qiu, H Duan, J Sun, H Gu - Multimedia Tools and Applications, 2019 - Springer
… method of watermarking image and the decimal-hex conversion of vertex coordinates. The
original … are decimal-to-hex converted accordingly, and the watermarked hex coordinates are …

A robust watermarking algorithm for vector geographic data based on QIM and matching detection

C Yang, C Zhu, Y Wang, T Rui, J Zhu… - Multimedia Tools and …, 2020 - Springer
… adjacent vertex coordinates in the vector geographic data. Therefore, we used the geospatial
domain watermarking algorithm in this paper. Some papers design watermarking schemes …

A novel invariant based commutative encryption and watermarking algorithm for vector maps

Y Li, L Zhang, X Wang, X Zhang, Q Zhang - ISPRS International Journal of …, 2021 - mdpi.com
… Thus, a coordinate-based watermarking scheme is proposed to achieve the commutativity
in this section. Firstly, the 2D logistic chaotic map is used to shuffle the original watermark …

Copyright protection based on zero watermarking and blockchain for vector maps

N Ren, Y Zhao, C Zhu, Q Zhou, D Xu - ISPRS International Journal of Geo …, 2021 - mdpi.com
… is closely related to the coordinate accuracy, which makes up for the deficiencies of the
two methods above. However, zero watermarking technology has tremendous practical …

Exploring Accurate Invariants on Polar Harmonic Fourier Moments in Polar Coordinates for Robust Image Watermarking

M He, H Wang, F Zhang, Y Xiang - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
… The robustness of the watermarking scheme relies heavily on the proper representation of
… in watermarking techniques. To this end, we propose a novel robust image watermarking

Topology-preserving and geometric feature-correction watermarking of vector maps

X Xi, X Zhang, Y Sun, X Jiang, Q Xin - IEEE Access, 2020 - ieeexplore.ieee.org
coordinate domain watermarking algorithm for vector maps, which advocates directly encoding
watermark information on each vertex coordinate. … in coordinate domain watermarking [9][…

Commutative Encryption and Reversible Watermarking Algorithm for Vector Maps Based on Virtual Coordinates

Q Dai, B Wu, F Liu, Z Bu, H Zhang - 2024 - preprints.org
coordinate difference based reversible watermarking scheme. In the encryption scheme, the
map coordinates are … as distance between two adjacent virtual coordinates. In the reversible …

A novel multi-stage watermarking scheme of vector maps

Y Qiu, H Duan - Multimedia Tools and Applications, 2021 - Springer
… Map vertices are grouped in this research based on feature vertices and watermarks are
embedded into coordinates of map vertices group by group, so that the proposed scheme can …

A semi-fragile reversible watermarking for authenticating 3D models in dual domains based on variable direction double modulation

F Peng, T Liao, M Long - … on Circuits and Systems for Video …, 2022 - ieeexplore.ieee.org
… (IQIM), and the variable direction double quantization modulation reversible watermarking
in the spherical coordinate system are respectively described in details in the following. …